1# Internet (IP) protocols 2# 3# Updated from http://www.iana.org/assignments/protocol-numbers and other 4# sources. 5 6ip 0 IP # internet protocol, pseudo protocol number 7hopopt 0 HOPOPT # IPv6 Hop-by-Hop Option [RFC1883] 8icmp 1 ICMP # internet control message protocol 9igmp 2 IGMP # Internet Group Management 10ggp 3 GGP # gateway-gateway protocol 11ipencap 4 IP-ENCAP # IP encapsulated in IP (officially ``IP'') 12st 5 ST # ST datagram mode 13tcp 6 TCP # transmission control protocol 14egp 8 EGP # exterior gateway protocol 15igp 9 IGP # any private interior gateway (Cisco) 16pup 12 PUP # PARC universal packet protocol 17udp 17 UDP # user datagram protocol 18hmp 20 HMP # host monitoring protocol 19xns-idp 22 XNS-IDP # Xerox NS IDP 20rdp 27 RDP # "reliable datagram" protocol 21iso-tp4 29 ISO-TP4 # ISO Transport Protocol class 4 [RFC905] 22dccp 33 DCCP # Datagram Congestion Control Prot. [RFC4340] 23xtp 36 XTP # Xpress Transfer Protocol 24ddp 37 DDP # Datagram Delivery Protocol 25idpr-cmtp 38 IDPR-CMTP # IDPR Control Message Transport 26ipv6 41 IPv6 # Internet Protocol, version 6 27ipv6-route 43 IPv6-Route # Routing Header for IPv6 28ipv6-frag 44 IPv6-Frag # Fragment Header for IPv6 29idrp 45 IDRP # Inter-Domain Routing Protocol 30rsvp 46 RSVP # Reservation Protocol 31gre 47 GRE # General Routing Encapsulation 32esp 50 IPSEC-ESP # Encap Security Payload [RFC2406] 33ah 51 IPSEC-AH # Authentication Header [RFC2402] 34skip 57 SKIP # SKIP 35ipv6-icmp 58 IPv6-ICMP # ICMP for IPv6 36ipv6-nonxt 59 IPv6-NoNxt # No Next Header for IPv6 37ipv6-opts 60 IPv6-Opts # Destination Options for IPv6 38rspf 73 RSPF CPHB # Radio Shortest Path First (officially CPHB) 39vmtp 81 VMTP # Versatile Message Transport 40eigrp 88 EIGRP # Enhanced Interior Routing Protocol (Cisco) 41ospf 89 OSPFIGP # Open Shortest Path First IGP 42ax.25 93 AX.25 # AX.25 frames 43ipip 94 IPIP # IP-within-IP Encapsulation Protocol 44etherip 97 ETHERIP # Ethernet-within-IP Encapsulation [RFC3378] 45encap 98 ENCAP # Yet Another IP encapsulation [RFC1241] 46# 99 # any private encryption scheme 47pim 103 PIM # Protocol Independent Multicast 48ipcomp 108 IPCOMP # IP Payload Compression Protocol 49vrrp 112 VRRP # Virtual Router Redundancy Protocol [RFC5798] 50l2tp 115 L2TP # Layer Two Tunneling Protocol [RFC2661] 51isis 124 ISIS # IS-IS over IPv4 52sctp 132 SCTP # Stream Control Transmission Protocol 53fc 133 FC # Fibre Channel 54mobility-header 135 Mobility-Header # Mobility Support for IPv6 [RFC3775] 55udplite 136 UDPLite # UDP-Lite [RFC3828] 56mpls-in-ip 137 MPLS-in-IP # MPLS-in-IP [RFC4023] 57manet 138 # MANET Protocols [RFC5498] 58hip 139 HIP # Host Identity Protocol 59shim6 140 Shim6 # Shim6 Protocol [RFC5533] 60wesp 141 WESP # Wrapped Encapsulating Security Payload 61rohc 142 ROHC # Robust Header Compression 62